199164653 has 2 divisors, whose sum is σ = 199164654. Its totient is φ = 199164652.

The previous prime is 199164649. The next prime is 199164683. The reversal of 199164653 is 356461991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194825764 + 4338889 = 13958^2 + 2083^2 .

It is a cyclic number.

It is not a de Polignac number, because 199164653 - 2² = 199164649 is a prime.

It is a super-2 number, since 2×199164653² = 79333118009220818, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199164643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99582326 + 99582327.

It is an arithmetic number, because the mean of its divisors is an integer number (99582327).

Almost surely, 2^199164653 is an apocalyptic number.

It is an amenable number.

199164653 is a deficient number, since it is larger than the sum of its proper divisors (1).

199164653 is an equidigital number, since it uses as much as digits as its factorization.

199164653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 44.

The square root of 199164653 is about 14112.5707438439. The cubic root of 199164653 is about 583.9882216380.

The spelling of 199164653 in words is "one hundred ninety-nine million, one hundred sixty-four thousand, six hundred fifty-three".